APA
(1969). Geometry, Book 3: Text for class 7. New Delhi, India: National Council of Educational Research and Training.
Chicago
1969. Geometry, Book 3: Text for class 7. New Delhi, India: National Council of Educational Research and Training.
Harvard
(1969). Geometry, Book 3: Text for class 7. New Delhi, India: National Council of Educational Research and Training.
MLA
Geometry, Book 3: Text for class 7. New Delhi, India: National Council of Educational Research and Training. 1969.